<template>
  <div class="bigLogin">
    <div class="login">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">零售门店客流管理系统</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
<!--      <el-form-item class="slither">-->
<!--          <slide-verify ref="slideblock" @success="onSuccess" @again="onAgain"-->
<!--            @fulfilled="onFulfilled" @fail="onFail" @refresh="onRefresh"-->
<!--            :slider-text="text" :imgs="imgs" :accuracy="accuracy"></slide-verify>-->
<!--          <div class="prompt">{{msg}}</div>-->
<!--      </el-form-item>-->
      <!-- <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item> -->
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
      </el-form>
      <!--  底部  -->
      <div class="el-login-footer">
        <p>地址：南京市雨花台区软件大道118号新华汇B2栋
        邮编：210012</p>
      </div>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'
import slideVerify from '../utils/slide-verify/slide-verify.vue'
import img0 from '@/assets/images/login/img.jpg';
import img1 from '@/assets/images/login/img1.jpg';
import img2 from '@/assets/images/login/img2.jpg';
import img3 from '@/assets/images/login/img3.jpg';
import img4 from '@/assets/images/login/img4.jpg';
import img5 from '@/assets/images/login/img5.jpg';
export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
      msg: '',
      text: '向右滑动->',
      imgs: [
          img0,
          img1,
          img2,
          img3,
          img4,
          img5,
      ],
      accuracy: 3, // 精确度小，可允许的误差范围小；为1时，则表示滑块要与凹槽完全重叠，才能验证成功。默认值为5
      isSuccess: false
    };
  },
  components: {
    slideVerify
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.data.img;
          this.loginForm.uuid = res.data.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        // if (this.isSuccess) {
          if (valid) {
            this.loading = true;
            if (this.loginForm.rememberMe) {
              Cookies.set("username", this.loginForm.username, { expires: 30 });
              Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
              Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
            } else {
              Cookies.remove("username");
              Cookies.remove("password");
              Cookies.remove('rememberMe');
            }
            this.$store.dispatch("Login", this.loginForm).then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
            }).catch(() => {
              this.loading = false;
              this.onAgain()
              if (this.captchaEnabled) {
                this.getCode();
              }
            });
          }
        // }else{
        //   this.$message.error('未进行滑动校验');
        // }
      });
    },
    // 滑动验证
    onSuccess(times) {
        this.isSuccess = true
        // console.log('验证通过');
        // this.msg = '';
        // login success, 耗时${(times / 1000).toFixed(1)}s
    },
    onFail() {
        this.isSuccess = false
        // console.log('验证不通过');
    },
    onRefresh() {
      this.isSuccess = false
        // console.log('点击了刷新小图标');
    },
    onFulfilled() {
        // console.log('刷新成功啦！');
    },
    onAgain() {
      this.isSuccess = false
        // console.log('检测到非人为操作的哦！');
        // 刷新
        this.handleClick();
    },
    handleClick() {
        this.$refs.slideblock.reset();
    },
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
// .el-input__inner {
//   // background-color: transparent !important;
//   border: 1px solid #1296db !important;
// }
.bigLogin {
  height: 100%;
  background-image: url("../assets/images/img6.png");
  background-size: cover;
  position: relative;
  z-index: 1;
}
.bigLogin::before {
    content: ""; /* 必需属性，表示生成内容为空 */
    display: block; /* 将伪元素转换为块级元素 */
    width: 100%; /* 设置宽度与容器等宽 */
    height: 100%; /* 设置高度与容器等高 */
    background-color: #f2f6fc3d; /* 设置透明度为0.5的黑色作为遮罩层 */
    position: absolute; /* 设置绝对定位，使其覆盖在原始图像上方 */
    top: 0; /* 调整遮罩层的位置 */
    left: 0; /* 调整遮罩层的位置 */
    z-index: 2; /* 确保遮罩层处于最底部 */
}
.divLogo {
  padding-top: 60px;
  height: 106px;
  margin: 0 135px;
  position: absolute;
  z-index: 3;
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  // background-image: url("../assets/images/login-background.jpg");
  // background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #5391e2;
  font-weight: 700;
  font-size: 20px;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  // width: 400px;
  // padding: 25px 25px 5px 25px;
  width: 460px;
  padding: 35px 50px 20px 50px;
  z-index: 3;
  // .el-form-item{
  //   margin-bottom: 35px !important;
  // }
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  // height: 40px;
  // line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
  z-index: 3;
  p{
    color: #46a6ff;
  }
}
.login-code-img {
  height: 38px;
}
</style>
